Original message
| Dsav101
 |  "Compatability on new t-stat"
, posted Sat 12 Jun 14:17  
Hey all. New guy to homeowning and trying to install a new t-stat. Two quick questions. 1. Is the Honeywell ct3611r or ct3611a the right choice for a 14 y/o trane XE 800 heat pump? reason i am asking is that I cannot find out where on any plates it says whether it is a single or multi stage heat pump. Thanks in advance for you help.
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Replies:
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| TechMaster
| "Re(1):Compatability on new t-stat" , posted Sat 12 Jun 16:28
Those thermostats should work fine with a single stage heat pump with aux. heat.(1 stage cool/ 2 stage heat). This is what most residential heat pumps are.
Keep Cool!
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| | Dsav101
| "Re(2):Compatability on new t-stat" , posted Sat 12 Jun 17:00
The one that I bought is a 3611r, and on the back it says for multi stage heat pumps. Would that be ok? The guy I spoke with at lowes told me that since the house was built in 90, most residences would have multi stage. Is this correct?
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| | xenos
Webmaster 
| "Re(3):Compatability on new t-stat" , posted Sat 12 Jun 18:20
If it's a heat pump with aux heat, it's a multi stage system.
Xenos.
The best way to escape a problem is to solve it.
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| | Dsav101
| "Re(4):Compatability on new t-stat" , posted Sat 12 Jun 19:23
ok. thanks for all the info. Appreciate it.
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| | Dsav101
| "Re(5):Compatability on new t-stat" , posted Sat 12 Jun 20:53
One last question, then I promise to hopefully be done here. There is no system monitor wire F or L on my baystat339. It also says to tape off wire T. Will the system run correctly if there is no system check? Cause it seems there is not one on my pre-existing unit? Thanks.
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| | xenos
Webmaster
| "Re(6):Compatability on new t-stat" , posted Sat 12 Jun 20:59
Yes, first off digital thermostats use a cycle rate to control temperature so the T wire is not required ( anticipator) and the L is only a status ( monitor) for your convenience and not the systems.
Xenos.
The best way to escape a problem is to solve it.
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| | Dsav101
| "Re(7):Compatability on new t-stat" , posted Sat 12 Jun 22:40
Thanks again for the info. The T-stat works great. :)
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